As described in historical dictionaries

Patronymica Britannica (1860)

MAC DONNELL. Descended from Donald, Lord of the Isles, a common ancestor of the Earl of Antrim. This branch has been settled in co. Clare for more than two centuries.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


Origin: Celtic

Region of origin: British Isles

Country of origin: Ireland

Religion of origin: Christian

Language of origin: Gaelic

BritishSurnames.uk is a Good Stuff website.